131604145

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 166228200

約数和(自身を除く): 34624055

約数列:

[1, 5, 31, 61, 155, 305, 449, 961, 1891, 2245, 4805, 9455, 13919, 27389, 58621, 69595, 136945, 293105, 431489, 849059, 2157445, 4245295, 26320829, 131604145]

約数ペア:

[(1, 131604145), (5, 26320829), (31, 4245295), (61, 2157445), (155, 849059), (305, 431489), (449, 293105), (961, 136945), (1891, 69595), (2245, 58621), (4805, 27389), (9455, 13919)]